When ice forms, the are farther apart than in liquid water, allowing the ice to form an organized crystal structure and float?

Newtons second law deals most cosely with

He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98

Which factor is likely to impact the possible number of compounds ?